23120304400 has 30 divisors (see below), whose sum is σ = 55546532282. Its totient is φ = 9248121600.

The previous prime is 23120304379. The next prime is 23120304443. The reversal of 23120304400 is 440302132.

It can be written as a sum of positive squares in 3 ways, for example, as 6191171856 + 16929132544 = 78684^2 + 130112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28899981 + ... + 28900780.

Almost surely, 2^23120304400 is an apocalyptic number.

23120304400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120304400 is an abundant number, since it is smaller than the sum of its proper divisors (32426227882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23120304400 is a wasteful number, since it uses less digits than its factorization.

23120304400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57800779 (or 57800768 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23120304400 its reverse (440302132), we get a palindrome (23560606532).

The spelling of 23120304400 in words is "twenty-three billion, one hundred twenty million, three hundred four thousand, four hundred".